Illumination system and palm scanning device
AssigneeTencent Technology (Shenzhen) Company Limited
InventorsWeibiao ZHOU, Hui GONG, Kai XIA, Runzeng GUO, Changze XIAO
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Abstract
Disclosed are an illumination system and a palm scanning device. The illumination system is used in the palm scanning device, and the illumination system includes an illuminating lamp and a DMD reflector. The DMD reflector is located on an emergent light path of the illuminating lamp. The DMD reflector includes a plurality of pixel reflectors, and angles of the plurality of pixel reflectors are adjustable, to cause a field of view (FOV) of reflected light of the DMD reflector to be adjustable.
Claims12
An illumination system, used in a palm scanning device, the illumination system comprising an illuminating lamp and a digital micromirror device (DMD) reflector,
- the DMD reflector being located on an emergent light path of the illuminating lamp;
- and
- the DMD reflector comprising a plurality of pixel reflectors, angles of the plurality of pixel reflectors being adjustable, to cause a field of view (FOV) of reflected light of the DMD reflector to be adjustable.
Dependencies are inferred from the claim text.